Toyota Corolla (E120): Power door lock control system

Symptom

Suspected area

All doors are not operated by driver’s door key cylinder interlocked with key
  1. Door lock control switch
  2. Front door lock assy lh
  3.  Wire harness
  4. Integration relay
Key confinement prevention function does not work properly (unlock warning switch circuit)
  1. Un–lock warning switch assy
  2. Front door courtesy lamp switch assy
  3.  Wire harness
  4.  Integration relay
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Other materials:

Adjustment
1. Inspect park/neutral position switch assy  apply the parking brake and turn the ignition switch on.  depress the brake pedal and check that the engine starts only when the shift lever is set in n or p position and it does not start in the other position.  check that th ...

Engine assembly
Inspection 1. Inspect coolant 2. Inspect engine oil 3. Inspect battery 4. Inspect air cleaner filter element sub–assy 5. Inspect spark plug 6. Inspect fan and generator v belt Hint: you don’t need to check the belt deflection because auto tensioner is adopted. 7. Inspect ignition ti ...

Replacement
Hint: installation is according to the reverse order of the removal. 1. Remove rear door weatherstrip rh 2. Remove rear door weatherstrip lh 3. Remove rear seat cushion assy (, 72–8) 4. Remove rear seat back assy (fixed type rear seat) 5. Remove separate type rear seat back assy (separate ...